Thanks for your response and sound advice.
My research is mainly turning up more and more documents from my grandfather's service, not much in the way of hardware. They do, however, tell quite the story of his involvement competing in the Polish National Equestrian team in the 30s, as an officer in the 14 P.Uł. and his time with the British Army in Nigeria from 1941-45 (West Africa Frontier Force).
Keeping the history alive. Will post more cohesive stories and documents as I work through them.